Minimal Example Wago750 430

Table of Contents

1. Introduction
2. Requirements
3. Hardware Setup
4. Software Setup
5. Demo
6. References

---

1. Introduction

The WAGO 750-430 Digital Input Example demonstrates how to read digital inputs from a WAGO 750-430 EtherCAT terminal using the QiTech machine framework. This example shows one of the simplest hardware interactions: reading 8 digital input channels via the QiTech Control Dashboard. To test the inputs, a 24VDC signal must be wired to the input terminals.

---

2. Requirements

Hardware

• WAGO 2787-2144 EtherCAT
• WAGO 750-354 EtherCAT Coupler
• WAGO 750-602 EtherCAT Power Terminal
• WAGO 750-430 EtherCAT Terminal (8-Channel Digital Input)
• WAGO 750-600 EtherCAT Endmodule
• WAGO 852-1322 Ethernet-Switch
• 24V DC Lab power supply (AC/DC adapter)
• A Linux PC (Ubuntu/Debian recommended)
• Standard Ethernet cable
• 24VDC signal source (for testing inputs)

---

Software

See Device Example Basics for software prerequisites.

---

3. Hardware Setup

⚠️ Always disconnect power before wiring. See Device Example Basics for the safe wiring procedure.

3.2 Wiring Steps (Used in This Example)

We supply power to the other devices by using the 750-602 EtherCAT Power Terminal

Perform the following wiring on the Ethernet-Switch:

1. Red wire (+24V) → PWR+
2. Black wire (0V) → RPS-

Figure 1 —

---

3.3 WAGO Wiring the Coupler

Wire the 750-354 EtherCAT Coupler to the power supply:

1. Red wire (+24V)
2. Yellow wire (0V)

Figure 2 —

---

3.4 750-602 EtherCAT Power Terminal Integration

Slide the 750-602 EtherCAT Power Terminal onto the right side of the 750-354 Coupler until it locks.

Perform the following wiring steps:

1. Green wire (Ground) → Terminal 4
2. Red wire (+24V) from 750-602 EtherCAT Power Terminal → Terminal 2
3. Black wire (0V) from 750-602 EtherCAT Power Terminal → Terminal 3
4. Red wire (+24V) from 750-354 EtherCAT Coupler → Terminal 6
5. Yellow wire (0V) from 750-354 EtherCAT Coupler → Terminal 7

Figure 3 — Wiring

---

3.5 750-430 EtherCAT Terminal Integration

Slide the 750-430 EtherCAT Terminal onto the right side of the 750-602 EtherCAT Power Terminal until it locks.

The terminal receives its power through the pin connectors — no additional power wiring is required.

Wiring the Inputs

To test the digital inputs, wire a 24VDC signal to any of the 8 input terminals (e.g., from the power supply to Terminal 4). The input state will be reflected in the QiTech Control Dashboard.

---

3.6 750-600 Final Assembly

Slide the 750-600 EtherCAT Endmodule onto the right side of the 750-430 EtherCAT Terminal until it locks.

No further wiring is required.

---

3.7 Power & Ethernet

Power

Connect the 2787-2144 power supply to the power outlet.

Ethernet

Use a standard LAN cable to connect your PC → 852-1322 Ethernet-Switch And another from 852-1322 Ethernet-Switch → 750-354 EtherCAT Coupler

Figure 4 — Ethernet

---

4. Software Setup

See Device Example Basics to install and run the software, then return here for the device-specific demo steps.

---

5. Demo

5.1 Assigning Devices in the Dashboard

Once the backend + frontend are running, you should see:

• WAGO750-354 (Coupler)
• WAGO750-430 (8CH DI)

Steps:

• Click Assign on the 750-354 module
• Select "Wago 750-430 DI Test V1"
• Enter a serial number other than 0
• Keep the device role unchanged if it is set to "Wago 750-354 Bus Coupler"

• Repeat these steps for the 750-430 module using the same non-zero serial number

• Finally, restart the Backend process

5.2 Monitoring the Inputs

In the left sidebar, WAGO 750-430 8CH DI should appear. Click it.

You will see 8 input channels — Di1 to Di8 — each displaying the current state (On/Off).

• When a 24VDC signal is applied to an input terminal, the corresponding channel will show On.
• When the signal is removed, the channel will show Off.

---

6. References

WAGO 750-430 Documentation

WAGO 750-354 Documentation

WAGO 750-600 Documentation